42_minishell/main.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/02/16 15:16:14 by cchauvet          #+#    #+#             */
/*   Updated: 2023/04/18 12:59:43 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "data/data.h"
#include "env/env.h"
#include "libftx/libft/libft.h"
#include "libftx/libft/list.h"
#include "libftx/libftx.h"
#include "bozoshell.h"
#include "signal/signal.h"
#include <stdlib.h>

static char	*ft_get_user_input(void)
{
	char	*line;
	char	*prompt;
	char	*pwd;

	pwd = get_pwd();
	if (pwd == NULL)
		return (NULL);
	prompt = ft_strmerger(2, pwd, "$ ");
	free(pwd);
	if (prompt == NULL)
	{
		ft_eprintf("bozoshell: malloc failed\n");
		return (NULL);
	}
	line = readline(prompt);
	if (line != NULL && ft_strcmp(line, "") != 0)
		add_history(line);
	free(prompt);
	if (line == NULL)
		ft_printf("exit\n");
	return (line);
}

static int	ft_minishell(t_data *data, char *line)
{
	char	*line_clean;

	if (ft_syntax_verif(data, line))
		return (0);
	line_clean = ft_formater(data, line);
	if (line_clean == NULL || line_clean[0] == '\0')
		return (0);
	if (ft_cmds_parser(data, line_clean))
	{
		free(line_clean);
		return (0);
	}
	free(line_clean);
	if (ft_cmds_executor(data) == 1)
		return (1);
	ft_lstiter(*data->cmds, ft_cmdwaiter);
	ft_lstclear(data->cmds, ft_cmddel);
	return (0);
}

int	ft_init_data(t_data *data, char **env)
{
	data->exit_code = ft_get_exit_code();
	data->cmds = malloc(sizeof(t_cmd *));
	if (data->cmds == NULL)
	{
		ft_eprintf("bozoshell: malloc failed\n");
		return (1);
	}
	*data->cmds = NULL;
	data->env = init_env(env);
	if (data->env == NULL)
	{
		ft_eprintf("bozoshell: malloc failed\n");
		free(data->cmds);
		return (1);
	}
	return (0);
}

int	main(int ac, char **av, char **env)
{
	t_data	data;
	char	*line;

	(void) ac;
	(void) av;
	signal(SIGINT, ft_ctrlc);
	signal(SIGQUIT, SIG_IGN);
	if (ft_init_data(&data, env))
		return (1);
	line = ft_get_user_input();
	while (line != NULL)
	{
		if (ft_minishell(&data, line) == 1)
			break ;
		free(line);
		line = ft_get_user_input();
		if (line == NULL)
			break ;
	}
	ft_lstclear(data.cmds, ft_cmddel);
	free(data.cmds);
	ft_lstclear(data.env, env_del);
	free(data.env);
	return (*data.exit_code);
}